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Add 20/48 and 42/80

20/48 + 42/80 is 113/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 48 × 5 = 240,
    20/48 = 20 × 5/48 × 5 = 100/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    42/80 = 42 × 3/80 × 3 = 126/240
  4. Add the two like fractions:
    100/240 + 126/240 = 100 + 126/240 = 226/240
  5. 226/240 simplified gives 113/120
  6. So, 20/48 + 42/80 = 113/120

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